Re: Gadget driver & virtual hub

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On Thu, 8 Jun 2017, Benjamin Herrenschmidt wrote:

> Another question ...
> 
> Do i need to support dequeue() on EP0 ?

Yes.  I don't know if any drivers ever dequeue requests from ep0, but 
it should be supported.

There is one other special requirement for ep0.  When a new setup
packet arrives, any previously queued requests should be cancelled
automatically.

Alan Stern

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